Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance at Dec. 31, 2021	$ 1,900	$ 82,155,200	$ (78,188,500)	$ 3,968,600
Balance, shares at Dec. 31, 2021	18,850,675
Net income (loss)			106,500	106,500
Balance at Mar. 31, 2022	$ 1,900	82,155,200	(78,082,000)	4,075,100
Balance, shares at Mar. 31, 2022	18,850,675
Balance at Dec. 31, 2021	$ 1,900	82,155,200	(78,188,500)	3,968,600
Balance, shares at Dec. 31, 2021	18,850,675
Net income (loss)				(16,600)
Balance at Sep. 30, 2022	$ 1,900	82,145,100	(78,205,100)	3,941,900
Balance, shares at Sep. 30, 2022	18,826,342
Balance at Mar. 31, 2022	$ 1,900	82,155,200	(78,082,000)	4,075,100
Balance, shares at Mar. 31, 2022	18,850,675
Net income (loss)			21,300	21,300
Purchase of hopTo treasury stock		(10,100)		(10,100)
Purchase of hopTo treasury stock, shares	(24,333)
Balance at Jun. 30, 2022	$ 1,900	82,145,100	(78,060,700)	4,086,300
Balance, shares at Jun. 30, 2022	18,826,342
Net income (loss)			(144,400)	(144,400)
Balance at Sep. 30, 2022	$ 1,900	82,145,100	(78,205,100)	3,941,900
Balance, shares at Sep. 30, 2022	18,826,342
Balance at Dec. 31, 2022	$ 1,900	82,145,100	(78,065,500)	4,081,500
Balance, shares at Dec. 31, 2022	18,826,342
Net income (loss)			34,600	34,600
Balance at Mar. 31, 2023	$ 1,900	82,145,100	(78,030,900)	4,116,100
Balance, shares at Mar. 31, 2023	18,826,342
Balance at Dec. 31, 2022	$ 1,900	82,145,100	(78,065,500)	4,081,500
Balance, shares at Dec. 31, 2022	18,826,342
Net income (loss)				89,900
Balance at Sep. 30, 2023	$ 1,900	82,145,100	(77,975,600)	4,171,400
Balance, shares at Sep. 30, 2023	18,976,165
Balance at Mar. 31, 2023	$ 1,900	82,145,100	(78,030,900)	4,116,100
Balance, shares at Mar. 31, 2023	18,826,342
Net income (loss)			(134,600)	(134,600)
Warrant shares exercised
Warrant shares exercised, shares	149,823
Balance at Jun. 30, 2023	$ 1,900	82,145,100	(78,165,500)	3,981,500
Balance, shares at Jun. 30, 2023	18,976,165
Net income (loss)			189,900	189,900
Balance at Sep. 30, 2023	$ 1,900	$ 82,145,100	$ (77,975,600)	$ 4,171,400
Balance, shares at Sep. 30, 2023	18,976,165